Outdoorsy stimming (playing with mud, tapping sticks, crunching leaves, etc)
Counting out loud/vocaal stimming to the sky
Dancing around in the woods
Going out and finding neat things to add to your collections
Having lucky objects you take places with you
Going searching for fairy rings (please don't step in the fairy rings though)
Standing/just existing in the rain
Playing in creeks
Making friends with/observing the wildlife
Taking your stim things outside and just vibing with them
Making a blanket cocoon
Having a feast of your favorite same foods
Listening to your stimmy music
Feel free to add more!